American Association of Petroleum Geologists. American Association of Petroleum Geologists ( AAPG ), Bulletin: An International Geological Organization. American Association of Petroleum Geologists.
शिकागो स्टाइल उद्धरणAmerican Association of Petroleum Geologists. American Association of Petroleum Geologists ( AAPG ), Bulletin: An International Geological Organization. USA: American Association of Petroleum Geologists.
एमएलए उद्धरणAmerican Association of Petroleum Geologists. American Association of Petroleum Geologists ( AAPG ), Bulletin: An International Geological Organization. American Association of Petroleum Geologists.
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